public class j722 {
    public static String mytostring(int[] array){
        String ret = "[";
        for (int i = 0; i < array.length; i++) {
            ret += array[i];
            if (i != array.length - 1){
                ret += ",";
            }

        }
        ret += "]";
        return ret;


    }
    public static void main1(String[] args){
        int[] array = {1,2,3,4,5};
        String ret = mytostring(array);
        System.out.println(ret);
    }

    public static void main(String[] args) {

    }




}

